ALAMEDA CREEK - NILES (NILC1)
Latitude: 37.59º NLongitude: 121.96º WElevation: 86 FeetForecast Type: Unofficial Location
Location: Alameda County in CaliforniaBulletin Group: Central CoastRiver Group: South Bay
Issuance Time: Nov 15 2026 at 9:17 AM PSTNext Issuance: Nov 16 2026 at 9:00 AM PST
Action: N/A Minor Flood: 9.0 FeetModerate Flood: 10.5 FeetMajor Flood: N/A

# Tabular Observed and Forecast Hydrograph Information
#
# Location: Alameda Creek - Niles (NILC1)
#
# File Generation Time:  11/15/2026 at 09:18 AM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  11/13/2026 at 08:00 PM PST
# Maximum Observed Stage:                       4.90 Feet
# Maximum Observed Flow:                        883 cfs
#
# Earliest Date & Time of Maximum Forecast:     11/18/2026 at 08:00 PM PST
# Maximum Forecast Stage:                       5.21 Feet
# Maximum Forecast Flow:                        1142 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  11/10/2026 09 AM PST            2.61             12                        Normal
  11/10/2026 10 AM PST            2.61             12         0              Normal
  11/10/2026 11 AM PST            2.61             12         0              Normal
  11/10/2026 12 PM PST            2.61             12         0              Normal
  11/10/2026 01 PM PST            2.62             12         +              Normal
  11/10/2026 02 PM PST            2.62             12         0              Normal
  11/10/2026 03 PM PST            2.63             12         +              Normal
  11/10/2026 04 PM PST            2.68             15         +              Normal
  11/10/2026 05 PM PST            2.75             19         +              Normal
  11/10/2026 06 PM PST            2.74             18         -              Normal
  11/10/2026 07 PM PST            2.74             18         0              Normal
  11/10/2026 08 PM PST            2.74             18         0              Normal
  11/10/2026 09 PM PST            2.74             18         0              Normal
  11/10/2026 10 PM PST            2.74             18         0              Normal
  11/10/2026 11 PM PST            2.71             16         -              Normal
  11/11/2026 12 AM PST            2.69             15         -              Normal
  11/11/2026 01 AM PST            2.67             14         -              Normal
  11/11/2026 02 AM PST            2.65             13         -              Normal
  11/11/2026 03 AM PST            2.63             12         -              Normal
  11/11/2026 04 AM PST            2.62             12         -              Normal
  11/11/2026 05 AM PST            2.61             12         -              Normal
  11/11/2026 06 AM PST            2.61             12         0              Normal
  11/11/2026 07 AM PST            2.61             12         0              Normal
  11/11/2026 08 AM PST            2.60             11         -              Normal
  11/11/2026 09 AM PST            2.60             11         0              Normal
  11/11/2026 10 AM PST            2.60             11         0              Normal
  11/11/2026 11 AM PST            2.60             11         0              Normal
  11/11/2026 12 PM PST            2.60             11         0              Normal
  11/11/2026 01 PM PST            2.60             11         0              Normal
  11/11/2026 02 PM PST            2.61             12         +              Normal
  11/11/2026 03 PM PST            2.65             13         +              Normal
  11/11/2026 04 PM PST            2.72             17         +              Normal
  11/11/2026 05 PM PST            2.75             19         +              Normal
  11/11/2026 06 PM PST            2.75             19         0              Normal
  11/11/2026 07 PM PST            2.75             19         0              Normal
  11/11/2026 08 PM PST            2.75             19         0              Normal
  11/11/2026 09 PM PST            2.75             19         0              Normal
  11/11/2026 10 PM PST            2.73             18         -              Normal
  11/11/2026 11 PM PST            2.72             17         -              Normal
  11/12/2026 12 AM PST            2.69             15         -              Normal
  11/12/2026 01 AM PST            2.67             14         -              Normal
  11/12/2026 02 AM PST            2.65             13         -              Normal
  11/12/2026 03 AM PST            2.64             13         -              Normal
  11/12/2026 04 AM PST            2.62             12         -              Normal
  11/12/2026 05 AM PST            2.62             12         0              Normal
  11/12/2026 06 AM PST            2.61             12         -              Normal
  11/12/2026 07 AM PST            2.61             12         0              Normal
  11/12/2026 08 AM PST            2.60             11         -              Normal
  11/12/2026 09 AM PST            2.60             11         0              Normal
  11/12/2026 10 AM PST            2.60             11         0              Normal
  11/12/2026 11 AM PST            2.60             11         0              Normal
  11/12/2026 12 PM PST            2.60             11         0              Normal
  11/12/2026 01 PM PST            2.60             11         0              Normal
  11/12/2026 02 PM PST            2.60             11         0              Normal
  11/12/2026 03 PM PST            2.62             12         +              Normal
  11/12/2026 04 PM PST            2.67             14         +              Normal
  11/12/2026 05 PM PST            2.71             16         +              Normal
  11/12/2026 06 PM PST            2.72             17         +              Normal
  11/12/2026 07 PM PST            2.72             17         0              Normal
  11/12/2026 08 PM PST            2.72             17         0              Normal
  11/12/2026 09 PM PST            2.72             17         0              Normal
  11/12/2026 10 PM PST            2.72             17         0              Normal
  11/12/2026 11 PM PST            2.73             18         +              Normal
  11/13/2026 12 AM PST            2.72             17         -              Normal
  11/13/2026 01 AM PST            2.72             17         0              Normal
  11/13/2026 02 AM PST            2.72             17         0              Normal
  11/13/2026 03 AM PST            2.72             17         0              Normal
  11/13/2026 04 AM PST            2.72             17         0              Normal
  11/13/2026 05 AM PST            2.72             17         0              Normal
  11/13/2026 06 AM PST            2.72             17         0              Normal
  11/13/2026 07 AM PST            2.72             17         0              Normal
  11/13/2026 08 AM PST            2.72             17         0              Normal
  11/13/2026 09 AM PST            2.72             17         0              Normal
  11/13/2026 10 AM PST            2.73             18         +              Normal
  11/13/2026 11 AM PST            2.74             18         +              Normal
  11/13/2026 12 PM PST            2.76             19         +              Normal
  11/13/2026 01 PM PST            2.79             21         +              Normal
  11/13/2026 02 PM PST            2.83             24         +              Normal
  11/13/2026 03 PM PST            2.85             25         +              Normal
  11/13/2026 04 PM PST            2.85             25         0              Normal
  11/13/2026 05 PM PST            2.85             25         0              Normal
  11/13/2026 06 PM PST            2.84             25         -              Normal
  11/13/2026 07 PM PST            2.83             24         -              Normal
  11/13/2026 08 PM PST            4.90            883         +              Normal
  11/13/2026 09 PM PST            4.67            712         -              Normal
  11/13/2026 10 PM PST            4.39            529         -              Normal
  11/13/2026 11 PM PST            4.17            403         -              Normal
  11/14/2026 12 AM PST            4.04            337         -              Normal
  11/14/2026 01 AM PST            3.97            302         -              Normal
  11/14/2026 02 AM PST            3.90            270         -              Normal
  11/14/2026 03 AM PST            3.86            252         -              Normal
  11/14/2026 04 AM PST            3.82            235         -              Normal
  11/14/2026 05 AM PST            3.78            218         -              Normal
  11/14/2026 06 AM PST            3.73            199         -              Normal
  11/14/2026 07 AM PST            3.68            181         -              Normal
  11/14/2026 08 AM PST            3.63            163         -              Normal
  11/14/2026 09 AM PST            3.59            150         -              Normal
  11/14/2026 10 AM PST            3.55            138         -              Normal
  11/14/2026 11 AM PST            3.53            132         -              Normal
  11/14/2026 12 PM PST            3.50            124         -              Normal
  11/14/2026 01 PM PST            3.47            115         -              Normal
  11/14/2026 02 PM PST            3.44            108         -              Normal
  11/14/2026 03 PM PST            3.41            101         -              Normal
  11/14/2026 04 PM PST            3.38             94         -              Normal
  11/14/2026 05 PM PST            3.35             89         -              Normal
  11/14/2026 06 PM PST            3.33             85         -              Normal
  11/14/2026 07 PM PST            3.31             81         -              Normal
  11/14/2026 08 PM PST            3.29             78         -              Normal
  11/14/2026 09 PM PST            3.27             74         -              Normal
  11/14/2026 10 PM PST            3.25             71         -              Normal
  11/14/2026 11 PM PST            3.24             69         -              Normal
  11/15/2026 12 AM PST            3.23             68         -              Normal
  11/15/2026 01 AM PST            3.21             65         -              Normal
  11/15/2026 02 AM PST            3.20             63         -              Normal
  11/15/2026 03 AM PST            3.19             62         -              Normal
  11/15/2026 04 AM PST            3.17             59         -              Normal
  11/15/2026 05 AM PST            3.16             57         -              Normal
  11/15/2026 06 AM PST            3.15             56         -              Normal
  11/15/2026 07 AM PST            3.14             55         -              Normal
  11/15/2026 08 AM PST            3.13             53         -              Normal
  11/15/2026 09 AM PST            3.12             52         -              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  11/15/2026 10 AM PST            3.10             50                        Normal
  11/15/2026 11 AM PST            3.09             49         -              Normal
  11/15/2026 12 PM PST            3.07             46         -              Normal
  11/15/2026 01 PM PST            3.06             45         -              Normal
  11/15/2026 02 PM PST            3.04             43         -              Normal
  11/15/2026 03 PM PST            3.02             41         -              Normal
  11/15/2026 04 PM PST            3.00             39         -              Normal
  11/15/2026 05 PM PST            2.98             37         -              Normal
  11/15/2026 06 PM PST            2.96             35         -              Normal
  11/15/2026 07 PM PST            2.94             33         -              Normal
  11/15/2026 08 PM PST            2.92             31         -              Normal
  11/15/2026 09 PM PST            2.90             29         -              Normal
  11/15/2026 10 PM PST            2.89             29         -              Normal
  11/15/2026 11 PM PST            2.88             28         -              Normal
  11/16/2026 12 AM PST            2.90             29         +              Normal
  11/16/2026 01 AM PST            2.96             35         +              Normal
  11/16/2026 02 AM PST            3.05             44         +              Normal
  11/16/2026 03 AM PST            3.21             65         +              Normal
  11/16/2026 04 AM PST            3.41            101         +              Normal
  11/16/2026 05 AM PST            3.58            147         +              Normal
  11/16/2026 06 AM PST            3.75            206         +              Normal
  11/16/2026 07 AM PST            3.92            279         +              Normal
  11/16/2026 08 AM PST            4.09            362         +              Normal
  11/16/2026 09 AM PST            4.20            419         +              Normal
  11/16/2026 10 AM PST            4.20            419         0              Normal
  11/16/2026 11 AM PST            4.17            403         -              Normal
  11/16/2026 12 PM PST            4.10            367         -              Normal
  11/16/2026 01 PM PST            4.03            332         -              Normal
  11/16/2026 02 PM PST            3.97            302         -              Normal
  11/16/2026 03 PM PST            3.93            284         -              Normal
  11/16/2026 04 PM PST            3.88            261         -              Normal
  11/16/2026 05 PM PST            3.84            243         -              Normal
  11/16/2026 06 PM PST            3.79            222         -              Normal
  11/16/2026 07 PM PST            3.75            206         -              Normal
  11/16/2026 08 PM PST            3.71            191         -              Normal
  11/16/2026 09 PM PST            3.67            177         -              Normal
  11/16/2026 10 PM PST            3.64            167         -              Normal
  11/16/2026 11 PM PST            3.60            154         -              Normal
  11/17/2026 12 AM PST            3.56            141         -              Normal
  11/17/2026 01 AM PST            3.52            129         -              Normal
  11/17/2026 02 AM PST            3.48            118         -              Normal
  11/17/2026 03 AM PST            3.43            105         -              Normal
  11/17/2026 04 AM PST            3.38             94         -              Normal
  11/17/2026 05 AM PST            3.33             85         -              Normal
  11/17/2026 06 AM PST            3.27             74         -              Normal
  11/17/2026 07 AM PST            3.22             66         -              Normal
  11/17/2026 08 AM PST            3.17             59         -              Normal
  11/17/2026 09 AM PST            3.13             53         -              Normal
  11/17/2026 10 AM PST            3.09             49         -              Normal
  11/17/2026 11 AM PST            3.04             43         -              Normal
  11/17/2026 12 PM PST            3.00             39         -              Normal
  11/17/2026 01 PM PST            2.95             34         -              Normal
  11/17/2026 02 PM PST            2.90             29         -              Normal
  11/17/2026 03 PM PST            2.86             26         -              Normal
  11/17/2026 04 PM PST            2.82             23         -              Normal
  11/17/2026 05 PM PST            2.78             21         -              Normal
  11/17/2026 06 PM PST            2.74             18         -              Normal
  11/17/2026 07 PM PST            2.71             16         -              Normal
  11/17/2026 08 PM PST            2.68             15         -              Normal
  11/17/2026 09 PM PST            2.66             14         -              Normal
  11/17/2026 10 PM PST            2.64             13         -              Normal
  11/17/2026 11 PM PST            2.62             12         -              Normal
  11/18/2026 12 AM PST            2.61             12         -              Normal
  11/18/2026 01 AM PST            2.60             11         -              Normal
  11/18/2026 02 AM PST            2.59             11         -              Normal
  11/18/2026 03 AM PST            2.58             10         -              Normal
  11/18/2026 04 AM PST            2.59             11         +              Normal
  11/18/2026 05 AM PST            2.62             12         +              Normal
  11/18/2026 06 AM PST            2.69             15         +              Normal
  11/18/2026 07 AM PST            2.78             21         +              Normal
  11/18/2026 08 AM PST            2.87             27         +              Normal
  11/18/2026 09 AM PST            2.96             35         +              Normal
  11/18/2026 10 AM PST            3.09             49         +              Normal
  11/18/2026 11 AM PST            3.42            103         +              Normal
  11/18/2026 12 PM PST            3.78            218         +              Normal
  11/18/2026 01 PM PST            4.15            392         +              Normal
  11/18/2026 02 PM PST            4.49            591         +              Normal
  11/18/2026 03 PM PST            4.69            727         +              Normal
  11/18/2026 04 PM PST            4.85            845         +              Normal
  11/18/2026 05 PM PST            5.00            963         +              Normal
  11/18/2026 06 PM PST            5.11           1055         +              Normal
  11/18/2026 07 PM PST            5.19           1124         +              Normal
  11/18/2026 08 PM PST            5.21           1142         +              Normal
  11/18/2026 09 PM PST            5.19           1124         -              Normal
  11/18/2026 10 PM PST            5.12           1064         -              Normal
  11/18/2026 11 PM PST            5.04            996         -              Normal
  11/19/2026 12 AM PST            4.96            931         -              Normal
  11/19/2026 01 AM PST            4.91            891         -              Normal
  11/19/2026 02 AM PST            4.87            860         -              Normal
  11/19/2026 03 AM PST            4.82            822         -              Normal
  11/19/2026 04 AM PST            4.78            792         -              Normal
  11/19/2026 05 AM PST            4.74            763         -              Normal
  11/19/2026 06 AM PST            4.71            741         -              Normal
  11/19/2026 07 AM PST            4.68            720         -              Normal
  11/19/2026 08 AM PST            4.64            691         -              Normal
  11/19/2026 09 AM PST            4.62            678         -              Normal
  11/19/2026 10 AM PST            4.60            664         -              Normal
  11/19/2026 11 AM PST            4.59            657         -              Normal
  11/19/2026 12 PM PST            4.58            650         -              Normal
  11/19/2026 01 PM PST            4.58            650         0              Normal
  11/19/2026 02 PM PST            4.57            644         -              Normal
  11/19/2026 03 PM PST            4.55            630         -              Normal
  11/19/2026 04 PM PST            4.53            617         -              Normal
  11/19/2026 05 PM PST            4.50            598         -              Normal
  11/19/2026 06 PM PST            4.47            578         -              Normal
  11/19/2026 07 PM PST            4.44            559         -              Normal
  11/19/2026 08 PM PST            4.41            541         -              Normal
  11/19/2026 09 PM PST            4.38            522         -              Normal
  11/19/2026 10 PM PST            4.33            493         -              Normal
  11/19/2026 11 PM PST            4.28            464         -              Normal
  11/20/2026 12 AM PST            4.23            435         -              Normal
  11/20/2026 01 AM PST            4.18            408         -              Normal
  11/20/2026 02 AM PST            4.12            377         -              Normal
  11/20/2026 03 AM PST            4.07            352         -              Normal
  11/20/2026 04 AM PST            4.02            327         -              Normal
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.